#include<iostream>
#include<cmath>
#include<algorithm>
#include<cstdio>
using namespace std;
int cmp(int a,int b){
    return a>b;
}
int main(){
    char a;
    while(cin>>a){
        if(a=='a'||a=='A'||a=='e'||a=='E'||a=='i'||a=='I'||a=='o'||a=='O'||a=='u'||a=='U'){
            cout<<"Vowel"<<endl;
        }else{
            cout<<"Consonant"<<endl;
        }
    }
    return  0;
}
